@misc{cryptoeprint:2013:063,
author = {Christian L. F. Corniaux and Hossein Ghodosi},
title = {A Verifiable 1-out-of-n Distributed Oblivious Transfer Protocol},
howpublished = {Cryptology ePrint Archive, Report 2013/063},
year = {2013},
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.