Cryptology ePrint Archive: BibTeX Citation of Report 2013/387

@misc{cryptoeprint:2013:387,
    author = {Jonathan Trostle and Hosei Matsuoka and James Kempf and Toshiro Kawahara and Ravi Jain},
    title = {Cryptographically Protected Prefixes for Location Privacy in IPv6},
    howpublished = {Cryptology ePrint Archive, Report 2013/387},
    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.