Cryptology ePrint Archive: BibTeX Citation of Report 2015/059

@misc{cryptoeprint:2015:059,
    author = {Alexandra Boldyreva and Jean Paul Degabriele and Kenneth G. Paterson and Martijn Stam},
    title = {Security of Symmetric Encryption in the Presence of Ciphertext Fragmentation},
    howpublished = {Cryptology ePrint Archive, Report 2015/059},
    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.