Cryptology ePrint Archive: BibTeX Citation of Report 2013/554

@misc{cryptoeprint:2013:554,
    author = {Pablo Rauzy and Sylvain Guilley and Zakaria Najm},
    title = {Formally Proved Security of Assembly Code Against Power Analysis: A Case Study on Balanced Logic},
    howpublished = {Cryptology ePrint Archive, Report 2013/554},
    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.