@article{10_4153_CMB_2003_036_9,
     author = {Gurak, S.},
     title = {Gauss and {Eisenstein} {Sums} of {Order} {Twelve}},
     journal = {Canadian mathematical bulletin},
     pages = {344--355},
     year = {2003},
     volume = {46},
     number = {3},
     doi = {10.4153/CMB-2003-036-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2003-036-9/}
}