@misc{cryptoeprint:2014:667,
author = {Yehuda Lindell and Ben Riva},
title = {Cut-and-Choose Based Two-Party Computation in the Online/Offline and Batch Settings},
howpublished = {Cryptology ePrint Archive, Report 2014/667},
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.