@misc{cryptoeprint:2015:957,
author = {Yael Tauman Kalai and Omer Paneth},
title = {Delegating RAM Computations},
howpublished = {Cryptology ePrint Archive, Report 2015/957},
year = {2015},
note = {\url{http://eprint.iacr.org/}},
}
You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.