SQL Server 2008 R2 BOL contains a topic on optimizing tempdb: SQL Server 2008 R2 Books Online > Database Engine > Development > Designing and Implementing Structured Storage > Databases > Optimizing Databases > Optimizing tempdb Performance.
I have been unable to locate a comparable topic in BOL for SQL Server 2012. Is this type of performance tuning for tempdb no longer necessary in SQL Server 2012?