Cryptology ePrint Archive: BibTeX Citation of Report 2013/813

@misc{cryptoeprint:2013:813,
    author = {Florian Bergsma and Benjamin Dowling and Florian Kohlar and Jörg Schwenk and Douglas Stebila},
    title = {Multi-ciphersuite security of the Secure Shell (SSH) protocol},
    howpublished = {Cryptology ePrint Archive, Report 2013/813},
    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.