@misc{cryptoeprint:2014:410,
author = {Nicolas Veyrat-Charvillon and Benoît Gérard and François-Xavier Standaert},
title = {Soft Analytical Side-Channel Attacks},
howpublished = {Cryptology ePrint Archive, Report 2014/410},
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.