Cryptology ePrint Archive: BibTeX Citation of Report 2005/303

@misc{cryptoeprint:2005:303,
    author = {Kevin Fu and Seny Kamara and Tadayoshi Kohno},
    title = {Key Regression: Enabling Efficient Key Distribution for Secure Distributed Storage},
    howpublished = {Cryptology ePrint Archive, Report 2005/303},
    year = {2005},
    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.