You can turn a strong defense into a powerful offense.
Prerequisites: Dex 13, Int 13, Combat Expertise, Dodge.
Benefit: If an opponent attacks you and misses while you are using the total defense action, you can attack that opponent on your next turn with a +4 bonus on your attack roll. You gain no bonus against an opponent that does not attack you or against an opponent that attacks and hits you.
Special: A fighter may select Defensive Strike as one of his fighter bonus feats.
Source: Complete Warrior, page 97.