@misc{cryptoeprint:2014:016,
    author = {Bart Mennink and Bart Preneel},
    title = {Triple and Quadruple Encryption: Bridging the Gaps},
    howpublished = {Cryptology ePrint Archive, Report 2014/016},
    year = {2014},
    url = {https://eprint.iacr.org/2014/016},
}