Cryptology ePrint Archive: BibTeX Citation of Report 2014/365

@misc{cryptoeprint:2014:365,
    author = {Luke Mather and Elisabeth Oswald and Carolyn Whitnall},
    title = {Multi-target DPA attacks: Pushing DPA beyond the limits of a desktop computer},
    howpublished = {Cryptology ePrint Archive, Report 2014/365},
    year = {2014},
    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.