@misc{cryptoeprint:2014:922,
    author = {Alex Biryukov and Arnab Roy and Vesselin Velichkov},
    title = {Differential Analysis of Block Ciphers SIMON and SPECK},
    howpublished = {Cryptology ePrint Archive, Report 2014/922},
    year = {2014},
    url = {https://eprint.iacr.org/2014/922},
}