BibTeX Entry: Soft Shadow Volumes for Ray Tracing

@article{laine2005siggraph,
  author    = {Samuli Laine and Timo Aila and Ulf Assarsson and Jaakko Lehtinen and Tomas Akenine-M\&\#246;ller},
  title     = {Soft Shadow Volumes for Ray Tracing},
  journal   = {ACM Transactions on Graphics},
  volume    = {24},
  number    = {3},
  year      = {2005},
  pages     = {1156--1165},
  publisher = {ACM Press},
}