@misc{cryptoeprint:1998:025,
author = {Juan A. Garay, Rosario Gennaro, Charanjit Jutla, and Tal Rabin },
title = {Secure Distributed Storage and Retrieval },
howpublished = {Cryptology ePrint Archive, Report 1998/025},
year = {1998},
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.