@misc{cryptoeprint:2013:056,
    author = {Kishan Chand Gupta and Indranil Ghosh Ray},
    title = {On Constructions of MDS Matrices from Companion Matrices for Lightweight Cryptography},
    howpublished = {Cryptology ePrint Archive, Report 2013/056},
    year = {2013},
    url = {http://eprint.iacr.org/2013/056},
}