"with below" is a correct and usable phrase in written English.
You can use it to refer to something that follows a statement in a written document. For example, "Please find the requested information with below."
That was the main idea with Below: we wanted to make a single-screen roguelike.
* None of the information you provide us with below will be shared publicly.
Gove's policy of closing schools with "below par" exam results is turning schools into exam factories.
This is dealt with below, under "Accessing and engaging participants".
You can read about the 16 they chose to work with below.
The report concluded the country was therefore likely to remain with below full employment until 2018.
Children born with below-normal weight get lower average I. Q
Carriers with below-average costs make even more.
Others' students left with below-average results year after year.
In Dutchess County, where he lives, after six nights with below-zero temperatures, "Everything froze over".
The group found, among other things, that the line arrives with below-average regularity.
