Cryptology ePrint Archive: BibTeX Citation of Report 2015/561

@misc{cryptoeprint:2015:561,
    author = {J. Longo and E. De Mulder and D. Page and M. Tunstall},
    title = {SoC it to EM: electromagnetic side-channel attacks on a complex system-on-chip},
    howpublished = {Cryptology ePrint Archive, Report 2015/561},
    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.