著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) ,Multi-bit cryptosystems based on lattice problems,Lecture Notes in Computer Science Vol. 4450,,,2007,,,315-329,https://cir.nii.ac.jp/crid/1010000782444014474,