Cognitive and cultural embeddedness: combining institutional economics and economic sociology
According to this, pederasty is sexual relations between two males, especially when one of them is a minor. Other definitions, like the one that JSBangs found, differ slightly. But otherwise, I think you answered the question yourself: pedophile refers to the attraction, while pederasty refers to the act itself.
boast. vb. 1. (intr; sometimes foll by of or about) to speak in exaggerated or excessively proud terms of one's possessions, skills, or superior qualities; brag. 2. (tr) to possess (something to be proud of): the city boasts a fine cathedral.