@misc{cryptoeprint:2015:222,
    author = {Elena Andreeva, Andrey Bogdanov, and Bart Mennink},
    title = {Towards Understanding the Known-Key Security of Block Ciphers},
    howpublished = {Cryptology ePrint Archive, Report 2015/222},
    year = {2015},
    url = {https://eprint.iacr.org/2015/222},
}