Cryptology ePrint Archive: BibTeX Citation of Report 2013/686

@misc{cryptoeprint:2013:686,
    author = {Shiwei Xu and Sergiu Bursuc and Julian P. Murphy},
    title = {New abstractions in applied pi-calculus and automated verification of protected executions},
    howpublished = {Cryptology ePrint Archive, Report 2013/686},
    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.