The phrase "a draft prepared by" is correct and usable in written English.
You can use it when referring to a document or piece of writing that has been created or written by someone.
Example: "The report you received is a draft prepared by the research team for your review."
Alternatives: "a document authored by" or "a version created by".
The GOP commissioners proposed several revisions to a draft prepared by the staff.
A draft prepared by the United Nations AIDS Program apparently cited groups at greatest risk of AIDS, like gay men, prostitutes and users of intravenously injected drugs.
It was based on a draft prepared by the Guy's student group.
He released an encyclical letter in June, but it was based on a draft prepared by his predecessor, Pope Benedict XVI.
Nations allied with Indonesia including India, Japan, and Malaysia wrote a resolution blaming Portugal and the Timorese political parties for the bloodshed; it was rejected in favor of a draft prepared by Algeria, Cuba, Senegal, and Guyana, among others.
In May 2014, a draft prepared by the coordinating team was sent to all group members for comment.
Soulbury Commission, commission sent by the British government to Ceylon (now Sri Lanka) in 1944 to examine a constitutional draft prepared by the Ceylonese ministers of government and, on the basis of it, to make recommendations for a new constitution.
Study based on a draft prepared for FAO by Charles Mataya, Malawi.
The draft, prepared by a committee led by Representative Rosa DeLauro of Connecticut, will be presented to the party's platform committee at a meeting in Miami next weekend.
Washington rejected the 73-page draft prepared by a friend and turned instead to Madison to write the one that he eventually delivered to a joint session of Congress.
A new and ugly school food fight is brewing in Washington, D.C., thanks to a provocative Child Nutrition Reauthorization (CNR) bill draft prepared by the House Education and Workforce Committee.
