Cryptology ePrint Archive: BibTeX Citation of Report 2013/390

@misc{cryptoeprint:2013:390,
    author = {Keita Emura and Goichiro Hanaoka and Koji Nuida and Go Ohtake and Takahiro Matsuda and Shota Yamada},
    title = {Chosen Ciphertext Secure Keyed-Homomorphic Public-Key Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2013/390},
    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.