Bias Tape

Printable (!!) Bias Tape Makers by The Scientific Seamstress - 1/2" wide single fold bias tape version and 1" wide single-fold bias tape version.

Fastest method I have seen yet at Prudent Baby.

Tutorial at Don't Look Now!

Tutorial at Posie Gets Cosy

And if you cannot find your bias tape maker, here is Creative Little Daisy's tutorial.