@misc{cryptoeprint:2014:896,
author = {Handan Kılınç and Alptekin Küpçü},
title = {Efficiently Making Secure Two-Party Computation Fair},
howpublished = {Cryptology ePrint Archive, Report 2014/896},
year = {2014},
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.