@TechReport{      Cai:2003aa,
  Author        = "Cai, Jin-Yi",
  date-added    = "2018-09-24 15:25:58 +0000",
  date-modified = "2018-09-24 15:26:24 +0000",
  Institution   = "University of Wisconsin",
  Title         = "Introduction to Computational Complexity Theory - CS 810",
  Year          = "2003"
}

@TechReport{ Cai:2003aa, Author = "Cai, Jin-Yi", date-added = "2018-09-24 15:25:58 +0000", date-modified = "2018-09-24 15:26:24 +0000", Institution = "University of Wisconsin", Title = "Introduction to Computational Complexity Theory - CS 810", Year = "2003" }