Cryptology ePrint Archive: BibTeX Citation of Report 2003/237

@misc{cryptoeprint:2003:237,
    author = {Benoit Chevallier-Mames and Mathieu Ciet and Marc Joye},
    title = {Low-Cost Solutions for Preventing Simple Side-Channel Analysis: Side-Channel Atomicity},
    howpublished = {Cryptology ePrint Archive, Report 2003/237},
    year = {2003},
    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.