@Article{blt:2006:aacts,
author = {Vicente Benjumea and Javier Lopez and Jose Maria Troya},
title = {Anonymous Attribute Certificates based on Traceable Signatures},
journal = {Internet Research},
year = 2006,
volume = {16},
number = {2},
pages = {120--139},
publisher = {Emerald},
issn= {1066-2243}
}