PREPARE pasta according to package directions, adding asparagus during last 3 minutes of cooking time. Drain and place in large serving bowl.
HEAT large skillet over medium-high heat; add pancetta. Cook, stirring occasionally, for 3 to 5 minutes or until crisp. Add garlic; cook for 30 seconds or until fragrant. Add to pasta.
COMBINE lemon juice, olive oil, salt and pepper in small bowl; drizzle over pasta. Toss to coat. Sprinkle with cheese and pine nuts.