@TECHREPORT{SiekermanS-2007-techrep,
   author        = {Siekerman, Pieter and van der Schee, Maurits},
   title         = {{Security Evaluation of the disposable OV-chipkaart}},
   institution   = {System and Network Engineering, University of Amsterdam},
   year          = {2007},
   type          = {Report},
   number        = {},
   address       = {},
   month         = {July},
   bibsource     = {Information Security Group (GSI), UCL, Louvain-la-Neuve, Belgium},
}