@misc{cryptoeprint:2013:435,
    author = {Fabrice Benhamouda and Javier Herranz and Marc Joye and and Benoît Libert},
    title = {Efficient Cryptosystems From $2^k$-th Power Residue Symbols},
    howpublished = {Cryptology ePrint Archive, Report 2013/435},
    year = {2013},
    url = {https://eprint.iacr.org/2013/435},
}