@techreport{weko_190554_1,
   author	 = "高安,敦",
   title	 = "適応的に安全な鍵失効機能付き階層型IDベース暗号の構成",
   year 	 = "2018",
   institution	 = "東京大学",
   number	 = "2",
   month	 = "jul"
}