Now it’s official and published

JHEP01(2015)068 : http://link.springer.com/article/10.1007/JHEP01(2015)068,
DOI:10.1007/JHEP01(2015)068 : http://dx.doi.org/10.1007/JHEP01(2015)068,
Inspire : http://inspirehep.net/record/1329957,
arXiv : http://arxiv.org/abs/1411.6795