Slobodan Bojanic Gabriel Caffarena Slobodan Petrovic Octavio Nieto-Taladriz FPGA for pseudorandom generator cryptanalysis. 63-71 2006 30 Microprocessors and Microsystems 2 http://dx.doi.org/10.1016/j.micpro.2005.04.005 db/journals/mam/mam30.html#BojanicCPN06