@misc{cryptoeprint:2014:605,
author = {Kenji Yasunaga and Kosuke Yuzawa},
title = {On the Possibilities and Limitations of Computational Fuzzy Extractors},
howpublished = {Cryptology ePrint Archive, Report 2014/605},
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.