@misc{cryptoeprint:2015:371,
author = {S. Dov Gordon and Feng-Hao Liu and Elaine Shi},
title = {Constant-Round MPC with Fairness and Guarantee of Output Delivery},
howpublished = {Cryptology ePrint Archive, Report 2015/371},
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.