@misc{cryptoeprint:2014:956,
author = {Zahra Jafargholi and Daniel Wichs},
title = {Tamper Detection and Continuous Non-Malleable Codes},
howpublished = {Cryptology ePrint Archive, Report 2014/956},
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.