@misc{cryptoeprint:2009:121, author = {Mart\'{i}n Augusto Gagliotti Vigil and Ricardo Felipe Cust\'{o}dio and Nelson da Silva and Ricardo Moraes}, title = {Optimized Public Key Infrastructure -- A PKI to Support Efficient Document's Signatures}, howpublished = {Cryptology ePrint Archive, Report 2009/121}, year = {2009}, url = {http://eprint.iacr.org/2009/121}, }