@techreport{weko_45017_1,
   author	 = "田中,直樹 and 飯野,陽一郎",
   title	 = "PKIでの証明書失効に必要な通信量の確率論的評価",
   year 	 = "2003",
   institution	 = "ソニー株式会社, ソニー株式会社",
   number	 = "74(2003-CSEC-022)",
   month	 = "jul"
}