Cryptology ePrint Archive: BibTeX Citation of Report 2009/185

@misc{cryptoeprint:2009:185,
    author = {Robert P. McEvoy and Michael Tunstall and Claire Whelan and Colin C. Murphy and William P. Marnane},
    title = {All-or-Nothing Transforms as a Countermeasure to Differential Side-Channel Analysis},
    howpublished = {Cryptology ePrint Archive, Report 2009/185},
    year = {2009},
    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.