Cryptology ePrint Archive: BibTeX Citation of Report 2015/512

@misc{cryptoeprint:2015:512,
    author = {Sami Saab, Andrew Leiserson, and Michael Tunstall},
    title = {Efficient Key Extraction from the Primary Side of a Switched-Mode Power Supply},
    howpublished = {Cryptology ePrint Archive, Report 2015/512},
    year = {2015},
    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.