@misc{cryptoeprint:2010:449,
author = {Amir Herzberg and Haya Shulman},
title = {Oblivious and Fair Server-Aided Two-Party Computation},
howpublished = {Cryptology ePrint Archive, Report 2010/449},
year = {2010},
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.