@techreport{weko_197588_1, author = "Yuki,Fujita and Atsuo,Inomata and Hiroki,Kashiwazaki", title = "Design and Implementation of a multi-factor web authentication system with MyNumberCard and WebUSB", year = "2019", institution = "Georepublic Japan, Osaka University, National Institute of Informatics/Osaka University", number = "7", month = "jun" }