@MISC{BurmesterMM-2007-eprint, author = {Burmester, Mike and de~Medeiros, Breno and Motta, Rossana}, title = {Provably Secure Grouping-proofs for {RFID} tags}, howpublished = {Cryptology ePrint Archive, Report 2007/407}, year = {2007}, organization = {IACR}, }