@misc{cryptoeprint:2013:196,
author = {abhi shelat and Chih-hao Shen},
title = {Fast Two-Party Secure Computation with Minimal Assumptions},
howpublished = {Cryptology ePrint Archive, Report 2013/196},
year = {2013},
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.